[Ffmpeg-devel] libswscale 8 bit decoding

[Steven Johnson]

Hello,

Please find attached a patch to libswscale to support displaying pal8 
formats.

Notes:

I am not sure I have done everything I need to do.

I have not worked out how to exercise the pal8 to rgb* conversion code, yet.

I have tested the pal8toyv12 code and it seems to work (I can play FLC 
files with libswscale and couldn't before).

I do notice there is a visible decrease in quality playing 8bpp FLC's 
through this code than through the non libswscale code in ffmpeg.  I 
attribute that to the yv12 conversion for display. 

I do not claim this is perfect or ready for integration into ffmpeg,  I 
am posting it for review.   Thanks in advance for any comments or advice.

Steven J
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